# 厚生年金保険法 / Employees' Pension Insurance Act — 第十五条 (Article 15) - Law: 厚生年金保険法 (Employees' Pension Insurance Act), 昭和二十九年法律第百十五号 - English title "Employees' Pension Insurance Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第十五条 (Article 15)（被保険者の種別の変更に係る資格の得喪） — address `art-15` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/art-15 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-15 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第十五条（被保険者の種別の変更に係る資格の得喪） — (Acquisition or Forfeiture of Status Due to Changes in Insured Category) caption: Ministry of Justice translation — Japanese Law Translation Database System art-15 · https://japanlaw.org/ja/employees-pension-insurance-act/art-15 · https://japanlaw.org/l/329AC0000000115/art-15 **第一項** 同一の適用事業所において使用される被保険者について、被保険者の種別（第一号厚生年金被保険者、第二号厚生年金被保険者、第三号厚生年金被保険者又は第四号厚生年金被保険者のいずれであるかの区別をいう。以下同じ。）に変更があつた場合には、前二条の規定は、被保険者の種別ごとに適用する。 art-15/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/art-15/par-1 · https://japanlaw.org/l/329AC0000000115/art-15/par-1 If an insured employed at the same applicable place of business undergoes a change in insured category (meaning the classification of whether the person is a category I EPI insured, a category II EPI insured, a category III EPI insured, or a category IV EPI insured; the same applies hereinafter), the provisions of the preceding two Articles apply for each insured category. machine translation, not official --- ## Cites - art-15/par-1: 前二条 → 厚生年金保険法 第十三条 (Article 13), art-13 — https://japanlaw.org/ja/employees-pension-insurance-act/art-13 · https://japanlaw.org/l/329AC0000000115/art-13 - art-15/par-1: 前二条 → 厚生年金保険法 第十四条 (Article 14), art-14 — https://japanlaw.org/ja/employees-pension-insurance-act/art-14 · https://japanlaw.org/l/329AC0000000115/art-14 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 厚生年金保険法 附則第三十九条第一項（第二条の規定の施行に伴う経過措置） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3601-34/art-39/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3601-34/art-39/par-1 - 厚生年金保険法 附則第三十九条第三項（第二条の規定の施行に伴う経過措置） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3601-34/art-39/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3601-34/art-39/par-3 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 厚生年金保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/329AC0000000115/20261001_507AC0000000074), retrieved 2026-10-13 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Employees' Pension Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3554/tb), retrieved 2026-10-13 - claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T073658-001, translated 2026-10-13 - This site's parser, version 190 — 厚生年金保険法 — structure, counts, cross-references and defined terms, computed 2026-10-13